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P1494 Diagnostic Trouble Code Discussion for November 2009

EVAP Leak Detection Pump Switch Or Mechanical Fault


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Trouble Ticket Help Requests for DTC P1494
Help Request Posted
2001 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S21
P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. Vehicle returned with 3 codes (LDP problem also). Scoped the crank sensor, looked OK. Haven't scoped cam sensor yet. Does anybody know if these codes have a relationship. This request may be a little premature as I haven't checked the cam sensor yet, but if yo...
November 10, 2009
2001 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S21
P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. Vehicle returned with 3 codes (LDP problem also). Scoped the crank sensor, looked OK. Haven't scoped cam sensor yet. Does anybody know if these codes have a relationship. This request may be a little premature as I haven't checked the cam sensor yet, but if yo...
November 10, 2009